GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2005 🢒 Chevy C Cab/Chassis HD (GMT 400) 🢒 Engine 🢒 Engine Controls - 8.1L 🢒 HVAC Component Views
Figure 1:

HVAC Control Assembly - without A/C
Object Number: 689369 Size: MF
(1)White Tape-Mode Cable
(2)Orange Print-Temperature Cable
(3)HVAC Control Assembly - C2
(4)Orange Dot-Temperature Control
(5)HVAC Control Assembly - C1
(6)Mode Selector
(7)Temperature Control
(8)Blower Speed Selector
Figure 2:

G202, G203, C203, C230, and HVAC Blower
Object Number: 699664 Size: MF
(1)High Speed Blower Motor Relay
(2)G203 - 2 wires
(3)G202 - 1 wire
(4)HVAC Module
(5)C230
(6)Blower Motor Connector
(7)Engine Harness
(8)C203
(9)Blower Motor Resistor Assembly
Figure 3:

HVAC Mode and Temperature Door Motors
Object Number: 372168 Size: MF
(1)Blower Motor Resistor Assembly
(2)Blower Motor
(3)Blower Motor Connector
(4)C230
(5)C203
(6)C204
(7)Air Temperature Actuator
(8)HVAC Plenium
(9)Mode Actuator
(10)HVAC Wiring Harness
(11)High Speed Blower Motor Relay